When creating applications, it is necessary to understand the contrasting roles of HLD and LLD . HLD provides a larger view of the system , describing the core modules and their connections omitting granular realization specifics. On the other hand, Low-level design descends into the engineering … Read More

Caching Strategies Start With One Question: How Stale Can This Data Be? Most caching answers jump straight to Redis. The stronger answer starts one step earlier. Caching is a deliberate trade of freshness for speed, so the first thing to establish is how much staleness t… Read More